Screw



FIG. 1 is a front view of a first embodiment of a screw showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is an enlarged partial sectional view taken along lines 7—7 of FIG. 1;

FIG. 8 is a front view of a second embodiment thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a left-side view thereof;

FIG. 11 is a right-side view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof; and,

FIG. 14 is an enlarged partial sectional view taken along lines 14—14 of FIG. 8.

The broken line showing of the screw is intended for the purpose of showing environment and forms no part of the claimed design. 

The ornamental design for a screw, as shown and described. 